所谓理解就是通过思维与想象把感性认识提高到理性认识 ,学生对数学的理解 ,就是理解其中的概念、公式、法则、原理及其知识体系 ,把新学习的知识同化到原有的认知结构中去 ,充实或扩大并形成新的认知结构 .如要求“将矩形面积二等分”的问题 ,要求等分的方法越多越好 学生通 The so-called understanding is to raise perceptual knowledge to rational knowledge through thinking and imagination. Students’ understanding of mathematics is to understand the concepts, formulas, rules, principles, and knowledge systems therein, and to assimilate new learning knowledge into the original cognitive structure. To go to, enrich or expand and form a new cognitive structure. If it is required to “halve the area of ​​the rectangle”, the more equal methods are required, the better.